Polaroid TN115BK Toner for Brother MFC MultiFunction Series, Brother HL Series and Brother DCP Series Toner - Black High-yield black toner for select Brother printers For use with DCP-9040CN, DCP-9045CDN, HL-4040CN, HL-4070CDW, MFC-9440CN, and MFC-9840CDW models Yields approximately 5,000 pages at 5-percent coverage on letter size paper Easy to install design